Luiz Faitanin

Senior Software Engineer embedded in one of Brazil's largest e-commerce platforms, contributing to high-scale .NET systems serving millions of users. Feature Development: Designed and delivered new product features end-to-end using .NET 8, C#, and React, improving system capabilities and user experience across core platform services. Architecture & Quality: Applied microservices patterns, SOLID principles and DDD to ensure scalable, maintainable codebases. Collaborated closely with product and engineering

Senior Software Engineer at a fintech-focused Banking-as-a-Service platform, responsible for end-to-end development and evolution of a robust onboarding system. Onboarding System Ownership: Led the design and implementation of a critical customer onboarding platform built on .NET 8 and C#, managing a sophisticated ecosystem of microservices integrated via RabbitMQ and Kafka, ensuring reliable data delivery for both internal and external teams. Architecture & Migration: Designed the architecture of new clo

• Working with .NET FullStack development, allocated. • Designing the architecture of new systems. • Leading the migration of legacy systems to new platforms. • Providing ongoing support and maintenance for existing projects. • Gathering and analyzing requirements with stakeholders. • Diagnosing and resolving technical problems and incidents. Team Leadership & Modernisation: Led a 3-person squad that re-engineered a mission-critical calculation engine with .NET 8, Kafka, and React. The new microservice eli

Software Engineer at RealTask Tecnologia, allocated full-time at BTG Pactual — one of Latin America's largest investment banks — contributing to mission-critical financial systems from day one. .NET Development: Delivered full-stack features and enhancements using .NET Core and C#, working within a high-demand financial environment with strict reliability and compliance requirements. Architecture & Migration: Participated in the design of new system architectures and contributed to the migration of legacy

Junior Software Engineer at a health tech company, working on full-stack web applications for the Brazilian healthcare sector. Full-Stack Development: Built and maintained web applications using Node.js, React.js, GraphQL, PHP and PostgreSQL, contributing to healthcare management platforms used by clinics and pharmacies. API & Integration Work: Developed and consumed RESTful and GraphQL APIs to integrate internal systems with third-party health data providers, improving data flow and operational efficienc